Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
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America's Oldest Speed Shop ®


Collector Gasket, 3 1/2 Inch Inside Diameter

Material Type:
Gasket Material
Sold in Quantity:
Overall Thickness:
Inside Diameter:
Bolt Hole Pattern:
3 on 3.87"
Garage Sale:
Collector Gasket, 3 1/2 Inch Inside Diameter

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Q & A

What's in the Box

Collector gaskets available in several sizes.

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Copper Collector Exhaust Gaskets, 3-1/2 Inch
(Part #91013708)
                        These copper collector gaskets are embossed port ridge for a perfect seal. Cure the "leaky header blues" with these copper exhaust gaskets. Die cut and dead soft. Constructed of the finest .041 copper material and will seal where most gaskets fail. Include stainless steel fasteners. Reusable.
Speedway Extreme Gaskets, 3-1/2 Inch Collector Gaskets
(Part #91013542)
  • Reusable triple-layer gasket
  • Stainless steel with a heat-resistant, rubber-based inner core
  • 0.085” thick, ultra pliable
  • Easily conforms to surface irregularities to create a tight, leak-proof seal
Steel Exhaust Collector Ring, 3-1/2 Inch
(Part #91013371)
                        Mild steel flanges can be welded to exhaust pipes, mufflers or header collectors so your exhaust system can easily be unbolted and removed. Flanges are 1/4" thick and feature the common 3-bolt mount pattern.